3/8 square or square driving shank 47.5 Nm maximum fastening torque 13mm flats width, M5 to M12 standard bolt capacity, M5 to M10 high strength bolt capacity Ideal for fastening nuts on to threaded rod, can also be used as a hand ratchet wrench Supplied with 2 socket adapters: 6.35mm (1/4) square drive and 9.5mm (3/8) square drive for use with a wide variety of sockets Equipped with lock-pin style rachet mechanism Easy to grip ergonomic design for increased control and comfort in use Variable speed controlled by trigger Electric brake Not compatible with G-Series batteries, Weight: 2.425084882 pounds, Manufacturer: Makita